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Do I need new PC bulbs??
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01/07/2008, 03:47 PM
oct2274
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Join Date: Feb 2006
Location: Ahwatukee, AZ
Posts: 2,156
pc's are typically on good for 6-9 months. they will still run longer then that, but the output will be much less and the spectrum of the bulbs will greatly shift.
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